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[libav.git] / configure
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aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
19bd477d 64 --logfile=FILE log tests and output to FILE [config.log]
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65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
06454877 91 --enable-postproc enable GPLed postprocessing support [no]
cccc039f 92 --disable-avfilter disable video filter support [no]
06454877 93 --enable-avfilter-lavf video filters dependent on avformat [no]
0dbfc1db 94 --disable-pthreads disable pthreads [auto]
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95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
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98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
7f3f5f46 104 --disable-dct disable DCT code
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105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
92c6a099 112 --disable-dxva2 disable DXVA2 code
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113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
bb55e3a3 116 --disable-everything disable all components listed below
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117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
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170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 175 --enable-librtmp enable RTMP[E] support via librtmp [no]
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176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
8299a7f8 181 --enable-libvpx enable VP8 support via libvpx [no]
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182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxvid enable Xvid encoding via xvidcore,
184 native MPEG-4/Xvid encoder exists [no]
185 --enable-mlib enable Sun medialib [no]
186 --enable-zlib enable zlib [autodetect]
187
188Advanced options (experts only):
189 --source-path=PATH path to source code [$source_path]
190 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
191 --enable-cross-compile assume a cross-compiler is used
192 --sysroot=PATH root of cross-build tree
193 --sysinclude=PATH location of cross-build system headers
194 --target-os=OS compiler targets OS [$target_os]
195 --target-exec=CMD command to run executables on target
196 --target-path=DIR path to view of build directory on target
197 --nm=NM use nm tool
121d78d0 198 --ar=AR use archive tool AR [$ar_default]
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199 --as=AS use assembler AS [$as_default]
200 --cc=CC use C compiler CC [$cc_default]
201 --ld=LD use linker LD
202 --host-cc=HOSTCC use host C compiler HOSTCC
203 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
204 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
205 --host-libs=HLIBS use libs HLIBS when linking for host
206 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
207 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
208 --extra-libs=ELIBS add ELIBS [$ELIBS]
209 --extra-version=STRING version string suffix []
210 --build-suffix=SUFFIX library name suffix []
211 --arch=ARCH select architecture [$arch]
212 --cpu=CPU select the minimum required CPU (affects
213 instruction selection, may crash on older CPUs)
c8a4ae00 214 --disable-asm disable all assembler optimizations
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215 --disable-altivec disable AltiVec optimizations
216 --disable-amd3dnow disable 3DNow! optimizations
217 --disable-amd3dnowext disable 3DNow! extended optimizations
218 --disable-mmx disable MMX optimizations
219 --disable-mmx2 disable MMX2 optimizations
220 --disable-sse disable SSE optimizations
221 --disable-ssse3 disable SSSE3 optimizations
222 --disable-armv5te disable armv5te optimizations
223 --disable-armv6 disable armv6 optimizations
224 --disable-armv6t2 disable armv6t2 optimizations
225 --disable-armvfp disable ARM VFP optimizations
226 --disable-iwmmxt disable iwmmxt optimizations
227 --disable-mmi disable MMI optimizations
228 --disable-neon disable neon optimizations
229 --disable-vis disable VIS optimizations
230 --disable-yasm disable use of yasm assembler
231 --enable-pic build position-independent code
4ae40685 232 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 233 --enable-sram allow use of on-chip SRAM
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234
235Developer options (useful when working on FFmpeg itself):
236 --disable-debug disable debugging symbols
237 --enable-debug=LEVEL set the debug level [$debuglevel]
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238 --disable-optimizations disable compiler optimizations
239 --enable-extra-warnings enable more compiler warnings
240 --disable-stripping disable stripping of executables and shared libraries
2fad0977 241 --samples=PATH location of test samples for FATE
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242
243NOTE: Object files are built at the place where configure is launched.
244EOF
60e8bc13 245 exit 0
74c53c2d 246}
cf9d24ad 247
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248quotes='""'
249
57bd82d4 250log(){
2270b4b2 251 echo "$@" >> $logfile
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252}
253
720c69da 254log_file(){
c8e9f801 255 log BEGIN $1
2270b4b2 256 pr -n -t $1 >> $logfile
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257 log END $1
258}
259
2ba042a7 260echolog(){
c8e9f801 261 log "$@"
57bd82d4 262 echo "$@"
2ba042a7
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263}
264
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265warn(){
266 log "WARNING: $*"
267 WARNINGS="${WARNINGS}WARNING: $*\n"
268}
269
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270die(){
271 echolog "$@"
272 cat <<EOF
d326cf7f 273
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274If you think configure made a mistake, make sure you are using the latest
275version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 276ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 277EOF
e155a21a 278 if disabled logging; then
2ba042a7 279 cat <<EOF
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280Rerun configure with logging enabled (do not use --disable-logging), and
281include the log this produces with your report.
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282EOF
283 else
284cat <<EOF
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285Include the log file "$logfile" produced by configure as this will help
286solving the problem.
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287EOF
288 fi
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289 exit 1
290}
291
6c6007d6 292# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 293toupper(){
6c6007d6 294 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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295}
296
4a5444db 297tolower(){
6c6007d6 298 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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299}
300
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301c_escape(){
302 echo "$*" | sed 's/["\\]/\\\0/g'
303}
304
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305sh_quote(){
306 v=$(echo "$1" | sed "s/'/'\\\\''/g")
307 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
308 echo "$v"
309}
310
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311filter(){
312 pat=$1
313 shift
314 for v; do
98ef6079 315 eval "case $v in $pat) echo $v ;; esac"
be8f2501
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316 done
317}
318
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319map(){
320 m=$1
321 shift
e0e335a0 322 for v; do eval $m; done
36e2dea0
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323}
324
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325set_all(){
326 value=$1
327 shift
328 for var in $*; do
329 eval $var=$value
330 done
331}
332
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333set_weak(){
334 value=$1
335 shift
336 for var; do
337 eval : \${$var:=$value}
338 done
339}
340
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341pushvar(){
342 for var in $*; do
343 eval level=\${${var}_level:=0}
344 eval ${var}_${level}="\$$var"
345 eval ${var}_level=$(($level+1))
346 done
347}
348
349popvar(){
350 for var in $*; do
351 eval level=\${${var}_level:-0}
352 test $level = 0 && continue
353 eval level=$(($level-1))
354 eval $var="\${${var}_${level}}"
355 eval ${var}_level=$level
356 eval unset ${var}_${level}
357 done
358}
359
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360enable(){
361 set_all yes $*
362}
363
364disable(){
365 set_all no $*
366}
367
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368enable_weak(){
369 set_weak yes $*
370}
371
372disable_weak(){
373 set_weak no $*
374}
375
72702705 376enable_safe(){
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377 for var; do
378 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
379 done
72702705
MR
380}
381
382disable_safe(){
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383 for var; do
384 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
385 done
72702705
MR
386}
387
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388do_enable_deep(){
389 for var; do
390 enabled $var && continue
391 eval sel="\$${var}_select"
c510c7b5
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392 eval sgs="\$${var}_suggest"
393 pushvar var sgs
f9d328da 394 enable_deep $sel
c510c7b5
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395 popvar sgs
396 enable_deep_weak $sgs
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397 popvar var
398 done
399}
400
401enable_deep(){
402 do_enable_deep $*
403 enable $*
404}
405
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406enable_deep_weak(){
407 do_enable_deep $*
408 enable_weak $*
409}
410
57bd82d4 411enabled(){
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412 test "${1#!}" = "$1" && op== || op=!=
413 eval test "x\$${1#!}" $op "xyes"
44161118
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414}
415
37970ebf 416disabled(){
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MR
417 test "${1#!}" = "$1" && op== || op=!=
418 eval test "x\$${1#!}" $op "xno"
37970ebf
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419}
420
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421enabled_all(){
422 for opt; do
423 enabled $opt || return 1
424 done
425}
426
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427disabled_all(){
428 for opt; do
429 disabled $opt || return 1
430 done
431}
432
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433enabled_any(){
434 for opt; do
435 enabled $opt && return 0
436 done
437}
438
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DB
439disabled_any(){
440 for opt; do
441 disabled $opt && return 0
442 done
f7b230a7 443 return 1
85bca2c5
DB
444}
445
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446set_default(){
447 for opt; do
88268e94 448 eval : \${$opt:=\$${opt}_default}
c9d19248
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449 done
450}
451
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452is_in(){
453 value=$1
454 shift
455 for var in $*; do
456 [ $var = $value ] && return 0
457 done
458 return 1
459}
460
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461check_deps(){
462 for cfg; do
3250003c 463 cfg="${cfg#!}"
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464 enabled ${cfg}_checking && die "Circular dependency for $cfg."
465 disabled ${cfg}_checking && continue
466 enable ${cfg}_checking
467
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468 eval dep_all="\$${cfg}_deps"
469 eval dep_any="\$${cfg}_deps_any"
7ef3425f 470 eval dep_sel="\$${cfg}_select"
c510c7b5 471 eval dep_sgs="\$${cfg}_suggest"
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472 eval dep_ifa="\$${cfg}_if"
473 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 474
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475 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
476 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
477 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 478
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479 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
480 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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481 enabled_all $dep_all || disable $cfg
482 enabled_any $dep_any || disable $cfg
7ef3425f 483 disabled_any $dep_sel && disable $cfg
799c9e9b 484
4ec45764
RP
485 if enabled $cfg; then
486 eval dep_extralibs="\$${cfg}_extralibs"
487 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 488 enable_deep $dep_sel
c510c7b5 489 enable_deep_weak $dep_sgs
4ec45764
RP
490 fi
491
799c9e9b 492 disable ${cfg}_checking
30fd06be
MR
493 done
494}
495
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496print_config(){
497 pfx=$1
498 header=$2
499 makefile=$3
500 shift 3
501 for cfg; do
5e622c40 502 ucname="$(toupper $cfg)"
44161118 503 if enabled $cfg; then
3d907e22 504 echo "#define ${pfx}${ucname} 1" >> $header
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MR
505 echo "${pfx}${ucname}=yes" >> $makefile
506 else
b250f9c6 507 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 508 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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509 fi
510 done
57bd82d4
MR
511}
512
57bd82d4
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513append(){
514 var=$1
515 shift
57bd82d4
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516 eval "$var=\"\$$var $*\""
517}
518
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MR
519prepend(){
520 var=$1
521 shift
522 eval "$var=\"$* \$$var\""
523}
524
50a334e4 525add_cppflags(){
caf458dd 526 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
527}
528
57bd82d4 529add_cflags(){
caf458dd 530 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
531}
532
2f2e6c7c 533add_asflags(){
caf458dd 534 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
535}
536
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MR
537add_ldflags(){
538 append LDFLAGS "$@"
539}
540
541add_extralibs(){
60361817 542 prepend extralibs "$@"
57bd82d4
MR
543}
544
b0cfb663 545check_cmd(){
b3cb5d51 546 log "$@"
2270b4b2 547 "$@" >> $logfile 2>&1
b0cfb663
MR
548}
549
dcd479c0 550check_cc(){
57bd82d4 551 log check_cc "$@"
2270b4b2 552 cat > $TMPC
720c69da 553 log_file $TMPC
50a334e4 554 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
555}
556
557check_cpp(){
558 log check_cpp "$@"
2270b4b2 559 cat > $TMPC
720c69da 560 log_file $TMPC
9e7f3277 561 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
562}
563
f65883c8
MR
564check_as(){
565 log check_as "$@"
566 cat > $TMPC
567 log_file $TMPC
2f2e6c7c 568 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
569}
570
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MR
571check_asm(){
572 log check_asm "$@"
573 name="$1"
3784e82e 574 code="$2"
940f335a 575 shift 2
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576 disable $name
577 check_as "$@" <<EOF && enable $name
3784e82e 578void foo(void){ __asm__ volatile($code); }
940f335a
MR
579EOF
580}
581
304d586d
LM
582check_yasm(){
583 log check_yasm "$@"
584 echo "$1" > $TMPS
585 log_file $TMPS
586 shift 1
587 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
588}
589
dcd479c0 590check_ld(){
57bd82d4 591 log check_ld "$@"
3155a644
MR
592 flags=''
593 libs=''
594 for f; do
595 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
596 done
2a194acd 597 check_cc $($filter_cflags $flags) || return
684b28e0 598 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
599}
600
50a334e4
MR
601check_cppflags(){
602 log check_cppflags "$@"
caf458dd
MR
603 set -- $($filter_cppflags "$@")
604 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
605int x;
606EOF
607}
608
dcd479c0 609check_cflags(){
57bd82d4 610 log check_cflags "$@"
caf458dd
MR
611 set -- $($filter_cflags "$@")
612 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
613int x;
614EOF
615}
616
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MR
617test_ldflags(){
618 log test_ldflags "$@"
619 check_ld "$@" <<EOF
c23a0ac8 620int main(void){ return 0; }
dcd479c0
MR
621EOF
622}
623
2ed46eea
MR
624check_ldflags(){
625 log check_ldflags "$@"
626 test_ldflags "$@" && add_ldflags "$@"
627}
628
dcd479c0 629check_header(){
57bd82d4 630 log check_header "$@"
dcd479c0
MR
631 header=$1
632 shift
b77df637
MR
633 disable_safe $header
634 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
635#include <$header>
636int x;
637EOF
638}
639
640check_func(){
57bd82d4 641 log check_func "$@"
dcd479c0
MR
642 func=$1
643 shift
d8bc5f06
MR
644 disable $func
645 check_ld "$@" <<EOF && enable $func
dcd479c0 646extern int $func();
c23a0ac8 647int main(void){ $func(); }
dcd479c0
MR
648EOF
649}
650
645d2652 651check_mathfunc(){
6b73c0ae 652 log check_mathfunc "$@"
645d2652
MR
653 func=$1
654 shift
655 disable $func
656 check_ld "$@" <<EOF && enable $func
657#include <math.h>
33bd38db
MR
658float foo(float f) { return $func(f); }
659int main(void){ return 0; }
645d2652
MR
660EOF
661}
662
2446d3d6
DB
663check_func_headers(){
664 log check_func_headers "$@"
f8d7b072
MR
665 headers=$1
666 func=$2
667 shift 2
668 disable $func
669 incs=""
670 for hdr in $headers; do
671 incs="$incs
672#include <$hdr>"
673 done
cd0d9a9d 674 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 675$incs
d6773f56 676int main(int argc, char **argv){
2b2c2a81 677 return (long) $func;
f8d7b072
MR
678}
679EOF
680}
681
a5344cf7
SS
682check_cpp_condition(){
683 log check_cpp_condition "$@"
684 header=$1
685 condition=$2
f855b7b9
MR
686 shift 2
687 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
688#include <$header>
689#if !($condition)
690#error "unsatisfied condition: $condition"
691#endif
692EOF
693}
694
57bd82d4
MR
695check_lib(){
696 log check_lib "$@"
697 header="$1"
698 func="$2"
699 shift 2
84400e9d 700 check_header $header && check_func $func "$@" && add_extralibs "$@"
57bd82d4
MR
701}
702
f8d7b072
MR
703check_lib2(){
704 log check_lib2 "$@"
705 headers="$1"
706 func="$2"
707 shift 2
300cde27 708 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
709}
710
dcd479c0 711check_exec(){
2270b4b2 712 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
713}
714
7dfef245 715check_exec_crash(){
5e622c40 716 code=$(cat)
7dfef245
MR
717
718 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
719 # are safe but may not be available everywhere. Thus we use
720 # raise(SIGTERM) instead. The check is run in a subshell so we
721 # can redirect the "Terminated" message from the shell. SIGBUS
722 # is not defined by standard C so it is used conditionally.
723
2270b4b2 724 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
725#include <signal.h>
726static void sighandler(int sig){
727 raise(SIGTERM);
728}
e5af4a11 729int main(void){
7dfef245
MR
730 signal(SIGILL, sighandler);
731 signal(SIGFPE, sighandler);
732 signal(SIGSEGV, sighandler);
733#ifdef SIGBUS
734 signal(SIGBUS, sighandler);
735#endif
736 { $code }
737}
738EOF
739}
740
72be9e73
DY
741check_type(){
742 log check_type "$@"
743 headers=$1
744 type=$2
745 shift 2
ae550ce9 746 disable_safe "$type"
72be9e73
DY
747 incs=""
748 for hdr in $headers; do
749 incs="$incs
750#include <$hdr>"
751 done
ae550ce9 752 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
753$incs
754$type v;
755EOF
756}
757
14d36751
MR
758check_struct(){
759 log check_type "$@"
760 headers=$1
761 struct=$2
762 member=$3
763 shift 3
764 disable_safe "${struct}_${member}"
765 incs=""
766 for hdr in $headers; do
767 incs="$incs
768#include <$hdr>"
769 done
770 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
771$incs
772const void *p = &(($struct *)0)->$member;
773EOF
774}
775
57bd82d4
MR
776require(){
777 name="$1"
778 header="$2"
779 func="$3"
780 shift 3
781 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
782}
783
f8d7b072
MR
784require2(){
785 name="$1"
786 headers="$2"
787 func="$3"
788 shift 3
789 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
790}
791
f0125de9
MR
792check_host_cc(){
793 log check_host_cc "$@"
794 cat > $TMPC
795 log_file $TMPC
796 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
797}
798
799check_host_cflags(){
800 log check_host_cflags "$@"
801 check_host_cc "$@" <<EOF && append host_cflags "$@"
802int x;
803EOF
804}
805
c505dd31
MR
806apply(){
807 file=$1
808 shift
809 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
810}
811
c34681df
MR
812cp_if_changed(){
813 cmp -s "$1" "$2" &&
814 echo "$2 is unchanged" ||
815 cp -f "$1" "$2"
816}
817
dcd61286
DB
818# CONFIG_LIST contains configurable options, while HAVE_LIST is for
819# system-dependent things.
820
4a0d6686
AJ
821COMPONENT_LIST="
822 bsfs
823 decoders
824 demuxers
825 encoders
3cde40aa 826 filters
5666fd73 827 hwaccels
c552605c 828 indevs
4a0d6686 829 muxers
c552605c 830 outdevs
4a0d6686
AJ
831 parsers
832 protocols
833"
834
835CONFIG_LIST="
836 $COMPONENT_LIST
e8ed9b7a 837 aandct
5a0f7131
MR
838 avcodec
839 avdevice
f7679c54
VS
840 avfilter
841 avfilter_lavf
5a0f7131 842 avformat
c88f5d72 843 avisynth
f402916e 844 bzlib
7f3f5f46 845 dct
c73f65d9 846 doc
05aec7bb 847 dwt
92c6a099 848 dxva2
27a9466b 849 fastdiv
c88f5d72
MR
850 ffmpeg
851 ffplay
336ce917 852 ffprobe
c88f5d72 853 ffserver
1848f7d9 854 fft
4f034993 855 golomb
c88f5d72 856 gpl
d8d0d0b2 857 gray
4693b031 858 h264dsp
3abe5fbd 859 hardcoded_tables
f7b8bffe 860 libdc1394
690bfceb 861 libdirac
2eed5a46 862 libfaac
c88f5d72 863 libgsm
6ebe07fb 864 libmp3lame
c88f5d72 865 libnut
0b175caa
DB
866 libopencore_amrnb
867 libopencore_amrwb
9a77d59a 868 libopenjpeg
0f943ce6 869 librtmp
f7cd9eed 870 libschroedinger
ae14f311 871 libspeex
150d2772 872 libtheora
c88f5d72 873 libvorbis
8299a7f8 874 libvpx
1cc60c47
DB
875 libx264
876 libxvid
f4d608e3 877 lpc
b781cc12 878 lsp
47a158cb 879 mdct
c88f5d72 880 memalign_hack
a8150374 881 mlib
c88f5d72
MR
882 mpegaudio_hp
883 network
3fe142e2 884 nonfree
8a3c8627 885 pic
4a24ab64 886 postproc
68602540 887 rdft
e90f5b5a 888 runtime_cpudetect
2e35e684 889 shared
bd2216e4 890 small
6b35d421 891 sram
2e35e684 892 static
5a0f7131 893 swscale
a9ddb5b1 894 swscale_alpha
17492d5e
DB
895 vaapi
896 vdpau
9cad0e4e 897 version3
56a059ac 898 x11grab
c88f5d72 899 zlib
4a0d6686 900"
c88f5d72 901
8eee7025 902THREADS_LIST='
8eee7025
DB
903 pthreads
904 w32threads
905'
906
3f5b56e5
MR
907ARCH_LIST='
908 alpha
a2fc0f6a 909 arm
fdcd782d
MR
910 avr32
911 avr32_ap
912 avr32_uc
3f5b56e5
MR
913 bfin
914 ia64
915 m68k
916 mips
bae3abb0 917 mips64
3f5b56e5 918 parisc
79cb09b2 919 ppc
34d11b87 920 ppc64
3f5b56e5
MR
921 s390
922 sh4
923 sparc
924 sparc64
0844bae1 925 tomi
3f5b56e5
MR
926 x86
927 x86_32
928 x86_64
929'
930
931ARCH_EXT_LIST='
1ac9331a 932 altivec
3bf96eec 933 amd3dnow
a1ef9f08 934 amd3dnowext
1ac9331a 935 armv5te
edab3048 936 armv6
ab5cb084 937 armv6t2
f55b299a 938 armvfp
3f5b56e5
MR
939 iwmmxt
940 mmi
941 mmx
d7f0920b 942 mmx2
6b18d278 943 neon
799fde37 944 ppc4xx
1bb04d5a 945 sse
9eeed841 946 ssse3
bd9d34a0 947 vis
3f5b56e5
MR
948'
949
a3e02a8c
MR
950HAVE_LIST_PUB='
951 bigendian
952'
953
3f5b56e5
MR
954HAVE_LIST="
955 $ARCH_EXT_LIST
a3e02a8c 956 $HAVE_LIST_PUB
3f5b56e5 957 $THREADS_LIST
35fd8122 958 alsa_asoundlib_h
3f5b56e5 959 altivec_h
c9fdab0d 960 arpa_inet_h
dffb41b9 961 attribute_may_alias
e7ea5e3d 962 attribute_packed
6bd859d6 963 bswap
ecf97f22 964 closesocket
1ac9331a 965 cmov
e16e49ac 966 conio_h
c88f5d72 967 dcbzl
f8aa696f
DB
968 dev_bktr_ioctl_bt848_h
969 dev_bktr_ioctl_meteor_h
970 dev_ic_bt8xx_h
971 dev_video_meteor_ioctl_meteor_h
972 dev_video_bktr_ioctl_bt848_h
18b67ae5 973 dlfcn_h
c88f5d72 974 dlopen
bc574408 975 dos_paths
245626d0
DB
976 ebp_available
977 ebx_available
6b7c7703
VS
978 exp2
979 exp2f
c2a29455 980 fast_64bit
669b5583 981 fast_clz
7073e9fc 982 fast_cmov
7b829d2a 983 fast_unaligned
534a2231 984 fcntl
9d99cc5a 985 fork
84882df6 986 getaddrinfo
da9e86f8 987 gethrtime
fc5607f8 988 GetProcessMemoryInfo
4e68cb8a 989 GetProcessTimes
66be5b45 990 getrusage
fc5607f8 991 struct_rusage_ru_maxrss
2e1913b1 992 inet_aton
61d251db 993 inline_asm
abfc8d05 994 isatty
9f5ff83f 995 ldbrx
0b4a1821
AS
996 libdc1394_1
997 libdc1394_2
a33cab3a 998 llrint
07876e25 999 llrintf
d96cd429
MR
1000 local_aligned_16
1001 local_aligned_8
291fd18a 1002 log2
6b7c7703 1003 log2f
85dd97ad 1004 loongson
a33cab3a 1005 lrint
c88f5d72 1006 lrintf
e4673692 1007 lzo1x_999_compress
f8aa696f
DB
1008 machine_ioctl_bt848_h
1009 machine_ioctl_meteor_h
c88f5d72
MR
1010 malloc_h
1011 memalign
6ffa87d3 1012 mkstemp
b4e806b2 1013 pld
1f91cdce 1014 posix_memalign
a33cab3a
MK
1015 round
1016 roundf
c88f5d72
MR
1017 sdl
1018 sdl_video_size
b507ebd1 1019 setmode
72be9e73 1020 socklen_t
deb29777 1021 soundcard_h
f8cda19e 1022 poll_h
0104b608 1023 setrlimit
87958234 1024 strerror_r
c0018613 1025 struct_addrinfo
b4d68544
MS
1026 struct_ipv6_mreq
1027 struct_sockaddr_in6
3b2372bf 1028 struct_sockaddr_sa_len
33a4dbdd 1029 struct_sockaddr_storage
b462d132
MR
1030 symver
1031 symver_gnu_asm
1032 symver_asm_label
b58412f1 1033 sys_mman_h
b091aa44 1034 sys_resource_h
81644c2e 1035 sys_select_h
deb29777 1036 sys_soundcard_h
1b6e8b73 1037 sys_videoio_h
d3a4b4e0 1038 ten_operands
e16e49ac 1039 termios_h
b265431e 1040 threads
7b04b8a0 1041 truncf
ce742de2 1042 vfp_args
7c5bfe7a 1043 VirtualAlloc
6ff3f3e7 1044 winsock2_h
cc078b5d 1045 xform_asm
304d586d 1046 yasm
0cb78cef 1047"
44161118 1048
b6bb00b0
MR
1049# options emitted with CONFIG_ prefix but not available on command line
1050CONFIG_EXTRA="
dc4f5a1c 1051 avutil
9cad0e4e
DB
1052 gplv3
1053 lgplv3
b6bb00b0
MR
1054"
1055
520cc7f1 1056CMDLINE_SELECT="
3f5b56e5 1057 $ARCH_EXT_LIST
520cc7f1 1058 $CONFIG_LIST
8eee7025 1059 $THREADS_LIST
c8a4ae00 1060 asm
db6107b6 1061 cross_compile
520cc7f1
MR
1062 debug
1063 extra_warnings
8c6afa4d 1064 logging
d2bbb2f7 1065 optimizations
87a0fb62 1066 stripping
7595a5e4 1067 yasm
520cc7f1 1068"
426be5dc
DB
1069
1070PATHS_LIST='
d156bede 1071 bindir
14a8acf1 1072 datadir
26759c44
MR
1073 incdir
1074 libdir
26759c44
MR
1075 mandir
1076 prefix
1077 shlibdir
426be5dc
DB
1078'
1079
1080CMDLINE_SET="
1081 $PATHS_LIST
121d78d0 1082 ar
426be5dc 1083 arch
313c46a6 1084 as
426be5dc
DB
1085 build_suffix
1086 cc
1087 cpu
1088 cross_prefix
50567afa 1089 dep_cc
ac63af34 1090 extra_version
9da6609f
MR
1091 host_cc
1092 host_cflags
1093 host_ldflags
1094 host_libs
82bb3329 1095 host_os
684b28e0 1096 ld
426be5dc 1097 logfile
4ae40685 1098 malloc_prefix
89641463 1099 nm
2fad0977 1100 samples
26759c44 1101 source_path
4f837398 1102 strip
c5200f17
MR
1103 sysinclude
1104 sysroot
a7ada2ba 1105 target_exec
26759c44 1106 target_os
a7ada2ba 1107 target_path
426be5dc 1108"
520cc7f1 1109
89f2932b
MR
1110CMDLINE_APPEND="
1111 extra_cflags
1112"
1113
912f3148
DB
1114# code dependency declarations
1115
9eeed841 1116# architecture extensions
808fa33c 1117
a2fc0f6a
MR
1118armv5te_deps="arm"
1119armv6_deps="arm"
ab5cb084 1120armv6t2_deps="arm"
a2fc0f6a
MR
1121armvfp_deps="arm"
1122iwmmxt_deps="arm"
808fa33c
MR
1123neon_deps="arm"
1124
e241ba14 1125mmi_deps="mips"
808fa33c
MR
1126
1127altivec_deps="ppc"
1128ppc4xx_deps="ppc"
1129
1130vis_deps="sparc"
1131
7f8c3d1f 1132x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1133amd3dnow_deps="mmx"
1134amd3dnowext_deps="amd3dnow"
9eeed841 1135mmx_deps="x86"
75aa95a6 1136mmx2_deps="mmx"
75aa95a6
DB
1137sse_deps="mmx"
1138ssse3_deps="sse"
9eeed841 1139
e939cedd 1140fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1141fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1142fast_unaligned_if_any="armv6 ppc x86"
669b5583 1143
89e053f8 1144need_memalign="altivec neon sse"
6fec122a 1145inline_asm_deps="!tms470"
89e053f8 1146
b462d132
MR
1147symver_if_any="symver_asm_label symver_gnu_asm"
1148
26fbcc85
MR
1149# subsystems
1150mdct_select="fft"
1151rdft_select="fft"
1152
5666fd73 1153# decoders / encoders / hardware accelerators
49351479 1154aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1155aac_encoder_select="mdct"
1156ac3_decoder_select="mdct ac3_parser"
f4d608e3 1157alac_encoder_select="lpc"
b781cc12 1158amrnb_decoder_select="lsp"
084cbbaa 1159atrac1_decoder_select="mdct"
26fbcc85
MR
1160atrac3_decoder_select="mdct"
1161binkaudio_dct_decoder_select="mdct rdft dct"
1162binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1163cavs_decoder_select="golomb"
26fbcc85 1164cook_decoder_select="mdct"
2eef7c62 1165cscd_decoder_suggest="zlib"
26fbcc85 1166dca_decoder_select="mdct"
e8ed9b7a 1167dnxhd_encoder_select="aandct"
2eef7c62 1168dxa_decoder_select="zlib"
baf91bb9 1169eac3_decoder_select="ac3_decoder"
84c04e25 1170eamad_decoder_select="aandct"
e8ed9b7a 1171eatgq_decoder_select="aandct"
d52b39c7 1172eatqi_decoder_select="aandct"
4f034993
MR
1173ffv1_decoder_select="golomb"
1174flac_decoder_select="golomb"
f4d608e3 1175flac_encoder_select="golomb lpc"
2eef7c62
AJ
1176flashsv_decoder_select="zlib"
1177flashsv_encoder_select="zlib"
4414137e 1178flv_decoder_select="h263_decoder"
4d4b4bd1 1179flv_encoder_select="h263_encoder"
e8ed9b7a 1180h261_encoder_select="aandct"
7f647ae0 1181h263_decoder_select="h263_parser"
e8ed9b7a 1182h263_encoder_select="aandct"
95a61cfc 1183h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1184h263i_decoder_select="h263_decoder"
fe629c2d 1185h263p_encoder_select="h263_encoder"
4693b031 1186h264_decoder_select="golomb h264dsp"
92c6a099
LA
1187h264_dxva2_hwaccel_deps="dxva2api_h"
1188h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1189h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1190h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1191imc_decoder_select="fft mdct"
4f034993
MR
1192jpegls_decoder_select="golomb"
1193jpegls_encoder_select="golomb"
e8ed9b7a 1194ljpeg_encoder_select="aandct"
4f034993 1195loco_decoder_select="golomb"
e8ed9b7a 1196mjpeg_encoder_select="aandct"
2cca233b 1197mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1198mpeg1video_encoder_select="aandct"
1199mpeg2video_encoder_select="aandct"
4414137e 1200mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1201mpeg4_encoder_select="h263_encoder"
95a61cfc 1202mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1203mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
164aab02
LA
1204mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1205mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
95a61cfc 1206mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1207mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1208mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1209mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1210mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1211msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1212msmpeg4v1_encoder_select="h263_encoder"
4414137e 1213msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1214msmpeg4v2_encoder_select="h263_encoder"
4414137e 1215msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1216msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1217nellymoser_decoder_select="mdct"
1218nellymoser_encoder_select="mdct"
2eef7c62
AJ
1219png_decoder_select="zlib"
1220png_encoder_select="zlib"
b781cc12 1221qcelp_decoder_select="lsp"
26fbcc85 1222qdm2_decoder_select="mdct rdft"
31ed3f1f 1223ra_144_encoder_select="lpc"
a8beb22f 1224rv10_decoder_select="h263_decoder"
b2bf38b4 1225rv10_encoder_select="h263_encoder"
a8beb22f 1226rv20_decoder_select="h263_decoder"
b2bf38b4 1227rv20_encoder_select="h263_encoder"
4693b031
MR
1228rv30_decoder_select="golomb h264dsp"
1229rv40_decoder_select="golomb h264dsp"
4f034993 1230shorten_decoder_select="golomb"
b781cc12 1231sipr_decoder_select="lsp"
05aec7bb
MR
1232snow_decoder_select="dwt"
1233snow_encoder_select="aandct dwt"
4f034993
MR
1234sonic_decoder_select="golomb"
1235sonic_encoder_select="golomb"
1236sonic_ls_encoder_select="golomb"
19ecfb8a 1237svq1_encoder_select="aandct"
4693b031 1238svq3_decoder_select="golomb h264dsp"
bee2eac5 1239svq3_decoder_suggest="zlib"
4eef77c1 1240theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1241tiff_decoder_suggest="zlib"
1242tiff_encoder_suggest="zlib"
aec09a00 1243truehd_decoder_select="mlp_decoder"
2eef7c62 1244tscc_decoder_select="zlib"
b781cc12 1245twinvq_decoder_select="mdct lsp"
f95bfab0 1246vc1_decoder_select="h263_decoder"
9104cd51 1247vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1248vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1249vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1250vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1251vorbis_decoder_select="mdct"
1252vorbis_encoder_select="mdct"
e82dc4c9
DB
1253vp6a_decoder_select="vp6_decoder"
1254vp6f_decoder_select="vp6_decoder"
0912db02 1255vp8_decoder_select="h264dsp"
084cbbaa 1256wmapro_decoder_select="mdct"
26fbcc85
MR
1257wmav1_decoder_select="mdct"
1258wmav1_encoder_select="mdct"
1259wmav2_decoder_select="mdct"
1260wmav2_encoder_select="mdct"
005ad8a0 1261wmavoice_decoder_select="lsp rdft dct"
f95bfab0 1262wmv1_decoder_select="h263_decoder"
665507aa 1263wmv1_encoder_select="h263_encoder"
f95bfab0 1264wmv2_decoder_select="h263_decoder"
1746e2a9 1265wmv2_encoder_select="h263_encoder"
015f8ee0 1266wmv3_decoder_select="vc1_decoder"
f0f86627 1267wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1268wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1269wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1270zlib_decoder_select="zlib"
1271zlib_encoder_select="zlib"
1272zmbv_decoder_select="zlib"
1273zmbv_encoder_select="zlib"
30fd06be 1274
0afab17e 1275vaapi_deps="va_va_h"
c89c96e9
MR
1276vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1277
28b80940 1278# parsers
4693b031 1279h264_parser_select="golomb h264dsp"
28b80940 1280
f1e94694
DB
1281# bitstream_filters
1282aac_adtstoasc_bsf_select="aac_parser"
1283
912f3148 1284# external libraries
1b71f045 1285libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1286libdirac_encoder_deps="libdirac"
c9171a83 1287libfaac_encoder_deps="libfaac"
299c77d5
MR
1288libgsm_decoder_deps="libgsm"
1289libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1290libgsm_ms_decoder_deps="libgsm"
1291libgsm_ms_encoder_deps="libgsm"
1cc60c47 1292libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1293libopencore_amrnb_decoder_deps="libopencore_amrnb"
1294libopencore_amrnb_encoder_deps="libopencore_amrnb"
1295libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1296libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1297libschroedinger_decoder_deps="libschroedinger"
1298libschroedinger_encoder_deps="libschroedinger"
ae14f311 1299libspeex_decoder_deps="libspeex"
150d2772 1300libtheora_encoder_deps="libtheora"
b0caf888 1301libvorbis_encoder_deps="libvorbis"
8299a7f8 1302libvpx_decoder_deps="libvpx"
ee0e9146 1303libvpx_encoder_deps="libvpx"
1cc60c47
DB
1304libx264_encoder_deps="libx264"
1305libxvid_encoder_deps="libxvid"
30fd06be 1306
912f3148 1307# demuxers / muxers
03a76ba9 1308ac3_demuxer_deps="ac3_parser"
647c2356 1309asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1310avisynth_demuxer_deps="avisynth"
1311dirac_demuxer_deps="dirac_parser"
5b423887 1312eac3_demuxer_select="ac3_parser"
647c2356 1313ipod_muxer_select="mov_muxer"
4e622dea
SS
1314libnut_demuxer_deps="libnut"
1315libnut_muxer_deps="libnut"
647c2356 1316matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1317matroska_demuxer_suggest="zlib bzlib"
1318mov_demuxer_suggest="zlib"
1319mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1320mp4_muxer_select="mov_muxer"
1321mpegtsraw_demuxer_select="mpegts_demuxer"
1322mxf_d10_muxer_select="mxf_muxer"
24ca518b 1323ogg_demuxer_select="golomb"
647c2356 1324psp_muxer_select="mov_muxer"
4e622dea 1325rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1326rtsp_muxer_deps="sdp_demuxer"
1327rtsp_muxer_select="rtp_muxer"
4e622dea 1328sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1329sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1330spdif_muxer_select="aac_parser"
647c2356
DB
1331tg2_muxer_select="mov_muxer"
1332tgp_muxer_select="mov_muxer"
6bdaa5f4 1333w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1334
1335# indevs / outdevs
38e54a75
SS
1336alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1337alsa_indev_extralibs="-lasound"
1338alsa_outdev_deps="alsa_asoundlib_h"
1339alsa_outdev_extralibs="-lasound"
38e54a75 1340bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1341dv1394_indev_deps="dv1394 dv_demuxer"
1342jack_indev_deps="jack_jack_h"
1343jack_indev_extralibs="-ljack"
1344libdc1394_indev_deps="libdc1394"
38e54a75
SS
1345oss_indev_deps_any="soundcard_h sys_soundcard_h"
1346oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1347v4l_indev_deps="linux_videodev_h"
1348v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1349vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1350vfwcap_indev_extralibs="-lavicap32"
38e54a75 1351x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1352x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1353
912f3148 1354# protocols
3fff6382 1355gopher_protocol_deps="network"
c08fb000 1356http_protocol_deps="network"
279a0c97 1357http_protocol_select="tcp_protocol"
b4cf3f6c 1358mmst_protocol_deps="network"
deeb7012
MS
1359rtmp_protocol_select="tcp_protocol"
1360rtp_protocol_select="udp_protocol"
c08fb000
AB
1361tcp_protocol_deps="network"
1362udp_protocol_deps="network"
1363
f7679c54 1364# filters
81124ba0 1365movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1366avfilter_lavf_deps="avformat"
1367
1368# libraries
1369avdevice_deps="avcodec avformat"
1370avformat_deps="avcodec"
f7679c54 1371
912f3148 1372# programs
5a0f7131 1373ffmpeg_deps="avcodec avformat swscale"
21ae6790 1374ffmpeg_select="buffer_filter"
5a0f7131 1375ffplay_deps="avcodec avformat swscale sdl"
43689902 1376ffplay_select="rdft"
336ce917 1377ffprobe_deps="avcodec avformat"
5a0f7131 1378ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1379ffserver_extralibs='$ldl'
a2830dca 1380
c73f65d9 1381doc_deps="texi2html"
912f3148 1382
de6d9b64 1383# default parameters
8a608357 1384
19bd477d 1385logfile="config.log"
8a608357
MR
1386
1387# installation paths
c9d19248
MR
1388prefix_default="/usr/local"
1389bindir_default='${prefix}/bin'
14a8acf1 1390datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1391incdir_default='${prefix}/include'
1392libdir_default='${prefix}/lib'
1393mandir_default='${prefix}/share/man'
1394shlibdir_default="$libdir_default"
8a608357
MR
1395
1396# toolchain
121d78d0 1397ar_default="ar"
13c7df3d 1398cc_default="gcc"
a3d7c197 1399cc_version=\"unknown\"
9da6609f 1400host_cc_default="gcc"
11e6d03a 1401ln_s="ln -sf"
89641463 1402nm_default="nm"
11e6d03a 1403objformat="elf"
be7109c1 1404ranlib="ranlib"
4f837398 1405strip_default="strip"
11e6d03a 1406yasmexe="yasm"
8a608357 1407
8182dc34
MR
1408nm_opts='-g'
1409
8a608357 1410# machine
8d4c00ed 1411arch_default=$(uname -m)
38d0a8aa 1412cpu="generic"
8a608357 1413
8a608357 1414# OS
8d4c00ed
MR
1415target_os_default=$(tolower $(uname -s))
1416host_os=$target_os_default
8a608357 1417
8a608357 1418# configurable options
5a0f7131
MR
1419enable avcodec
1420enable avdevice
cccc039f 1421enable avfilter
5a0f7131 1422enable avformat
dc4f5a1c 1423enable avutil
c8a4ae00 1424enable asm
497237c7 1425enable debug
c73f65d9 1426enable doc
aa033b1e 1427enable fastdiv
497237c7
RP
1428enable ffmpeg
1429enable ffplay
336ce917 1430enable ffprobe
497237c7 1431enable ffserver
497237c7
RP
1432enable mpegaudio_hp
1433enable network
8400d6b8 1434enable optimizations
497237c7 1435enable protocols
530dc538 1436enable static
87a0fb62 1437enable stripping
5a0f7131 1438enable swscale
a9ddb5b1 1439enable swscale_alpha
8a608357 1440
8a608357 1441# build settings
9987769a 1442SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1443FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1444LIBPREF="lib"
1445LIBSUF=".a"
c5f14466
RP
1446FULLNAME='$(NAME)$(BUILDSUF)'
1447LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1448SLIBPREF="lib"
1449SLIBSUF=".so"
c5f14466 1450SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1451SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1452SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1453LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1454
7e6c86e6
MR
1455CC_O='-o $@'
1456
f0125de9 1457host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1458host_libs='-lm'
1459
9b861379 1460target_path='$(CURDIR)'
a7ada2ba 1461
0d7dca36
DB
1462# gcc stupidly only outputs the basename of targets with -MM, but we need the
1463# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1464DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1465DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1466
c597172e 1467# find source path
5e622c40 1468source_path="$(dirname "$0")"
497237c7 1469enable source_path_used
24524f36 1470if test -f configure; then
5e622c40 1471 source_path="$(pwd)"
497237c7 1472 disable source_path_used
c597172e 1473else
5e622c40 1474 source_path="$(cd "$source_path"; pwd)"
c597172e 1475 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1476 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1477 test -e "$source_path/config.h" &&
1478 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1479fi
1480
13cbe2c0 1481for v in "$@"; do
b04251c5
MR
1482 r=${v#*=}
1483 l=${v%"$r"}
1484 r=$(sh_quote "$r")
13cbe2c0
MR
1485 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1486done
c597172e 1487
73ef8980
MR
1488find_things(){
1489 thing=$1
1490 pattern=$2
1491 file=$source_path/$3
932ccf39 1492 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1493}
1494
1495ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1496DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1497HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1498PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1499BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1500MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1501DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1502OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1503INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1504PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1505FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1506
8469ae22
MR
1507for n in $COMPONENT_LIST; do
1508 v=$(toupper ${n%s})_LIST
1509 eval enable \$$v
1510 eval ${n}_if_any="\$$v"
1511done
1512
1513enable $ARCH_EXT_LIST
c597172e
MR
1514
1515die_unknown(){
1516 echo "Unknown option \"$1\"."
1517 echo "See $0 --help for available options."
1518 exit 1
1519}
1520
794f8e97 1521show_list() {
bf0c4afa
RP
1522 suffix=_$1
1523 shift
2b444ea7 1524 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1525 exit 0
1526}
1527
c597172e 1528for opt do
7483e694
DB
1529 optval="${opt#*=}"
1530 case "$opt" in
0f010b2f 1531 --extra-ldflags=*) add_ldflags $optval
7483e694 1532 ;;
0f010b2f 1533 --extra-libs=*) add_extralibs $optval
7483e694 1534 ;;
8fb1cb58 1535 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1536 ;;
40bcf4c7
BL
1537 --enable-debug=*) debuglevel="$optval"
1538 ;;
36e2dea0 1539 --disable-everything)
1b15dc3c 1540 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1541 ;;
7483e694 1542 --enable-*=*|--disable-*=*)
8b93ddc3 1543 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1544 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1545 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1546 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1547 $action $(filter "$name" $list)
7483e694
DB
1548 ;;
1549 --enable-?*|--disable-?*)
5e622c40 1550 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1551 if is_in $option $COMPONENT_LIST; then
fed5d54b 1552 test $action = disable && action=unset
e3773a55
MR
1553 eval $action \$$(toupper ${option%s})_LIST
1554 elif is_in $option $CMDLINE_SELECT; then
1555 $action $option
1556 else
1557 die_unknown $opt
1558 fi
7483e694
DB
1559 ;;
1560 --list-*)
1561 NAME="${opt#--list-}"
1562 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1563 NAME=${NAME%s}
1564 eval show_list $NAME \$$(toupper $NAME)_LIST
1565 ;;
1566 --help|-h) show_help
1567 ;;
1568 *)
884a36a7 1569 optname="${opt%%=*}"
26759c44
MR
1570 optname="${optname#--}"
1571 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1572 if is_in $optname $CMDLINE_SET; then
1573 eval $optname='$optval'
1574 elif is_in $optname $CMDLINE_APPEND; then
1575 append $optname "$optval"
1576 else
1577 die_unknown $opt
1578 fi
7483e694
DB
1579 ;;
1580 esac
c597172e
MR
1581done
1582
bcea99bb
MR
1583disabled logging && logfile=/dev/null
1584
13cbe2c0 1585echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1586set >> $logfile
1587
9da6609f
MR
1588test -n "$cross_prefix" && enable cross_compile
1589
8d4c00ed
MR
1590if enabled cross_compile; then
1591 test -n "$arch" && test -n "$target_os" ||
1592 die "Must specify target arch and OS when cross-compiling"
1593fi
1594
1595set_default arch target_os
1596
121d78d0 1597ar_default="${cross_prefix}${ar_default}"
11e6d03a 1598cc_default="${cross_prefix}${cc_default}"
20e0ed95 1599nm_default="${cross_prefix}${nm_default}"
adb2b908 1600ranlib="${cross_prefix}${ranlib}"
4f837398 1601strip_default="${cross_prefix}${strip_default}"
adb2b908 1602
c5200f17
MR
1603sysinclude_default="${sysroot}/usr/include"
1604
4f837398 1605set_default cc nm strip sysinclude
9da6609f
MR
1606enabled cross_compile || host_cc_default=$cc
1607set_default host_cc
13c7df3d 1608
82bb3329
MR
1609exesuf() {
1610 case $1 in
1611 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1612 esac
1613}
1614
1615EXESUF=$(exesuf $target_os)
1616HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1617
e4e69e0b 1618# set temporary file name
a49d42c2 1619: ${TMPDIR:=$TEMPDIR}
c51fafa1 1620: ${TMPDIR:=$TMP}
a49d42c2 1621: ${TMPDIR:=/tmp}
e4e69e0b 1622
54460a83
MR
1623if ! check_cmd type mktemp; then
1624 # simple replacement for missing mktemp
1625 # NOT SAFE FOR GENERAL USE
1626 mktemp(){
1627 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1628 }
1629fi
1630
1631tmpfile(){
1632 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1633 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1634 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1635 append TMPFILES $tmp
1636 eval $1=$tmp
1637}
1638
1639trap 'rm -f -- $TMPFILES' EXIT
1640trap exit HUP INT TERM
1641
1642tmpfile TMPC .c
1643tmpfile TMPE $EXESUF
1644tmpfile TMPH .h
1645tmpfile TMPO .o
1646tmpfile TMPS .S
a482e61b 1647tmpfile TMPV .ver
54460a83
MR
1648tmpfile TMPSH .sh
1649
1650unset -f mktemp
e4e69e0b 1651
993f2d0f
MR
1652# make sure we can execute files in $TMPDIR
1653cat > $TMPSH 2>> $logfile <<EOF
1654#! /bin/sh
1655EOF
1656chmod +x $TMPSH >> $logfile 2>&1
1657if ! $TMPSH >> $logfile 2>&1; then
1658 cat <<EOF
1659Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1660variable to another directory and make sure that it is not mounted noexec.
1661EOF
1662 die "Sanity test failed."
1663fi
993f2d0f 1664
19b4c628
MR
1665filter_cflags=echo
1666filter_cppflags=echo
1667filter_asflags=echo
1668
8f0c157a 1669if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1670 cc_type=gcc
a3d7c197 1671 cc_version=__VERSION__
aef6bd1b
MR
1672 if ! $cc -dumpversion | grep -q '^2\.'; then
1673 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1674 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1675 fi
14ca9cd0
MR
1676 speed_cflags='-O3'
1677 size_cflags='-Os'
629687f6
MR
1678elif $cc --version 2>/dev/null | grep -q Intel; then
1679 cc_type=icc
6e3fa35d 1680 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1681 CC_DEPFLAGS='-MMD'
1682 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1683 speed_cflags='-O3'
1684 size_cflags='-Os'
b05394a0 1685 noopt_cflags='-O1'
629687f6
MR
1686elif $cc -v 2>&1 | grep -q xlc; then
1687 cc_type=xlc
6e3fa35d 1688 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1689 speed_cflags='-O5'
1690 size_cflags='-O5 -qcompact'
df442a8d
MR
1691elif $cc -V 2>/dev/null | grep -q Compaq; then
1692 cc_type=ccc
6e3fa35d 1693 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1694 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1695 debuglevel=3
df442a8d 1696 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1697 speed_cflags='-fast'
1698 size_cflags='-O1'
6a0d5493 1699elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1700 test -d "$sysroot" || die "No valid sysroot specified."
1701 cc_type=armcc
6e3fa35d 1702 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1703 armcc_conf="$PWD/armcc.conf"
1704 $cc --arm_linux_configure \
1705 --arm_linux_config_file="$armcc_conf" \
1706 --configure_sysroot="$sysroot" \
1707 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1708 die "Error creating armcc configuration file."
1709 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1710 as_default="${cross_prefix}gcc"
07dec06e
MR
1711 CC_DEPFLAGS='-MMD'
1712 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1713 speed_cflags='-O3'
1714 size_cflags='-Os'
6fec122a
MR
1715elif $cc -version 2>/dev/null | grep -q TMS470; then
1716 cc_type=tms470
6e3fa35d 1717 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1718 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1719 CC_O='-fr=$(@D)'
1720 as_default="${cross_prefix}gcc"
1721 ld_default="${cross_prefix}gcc"
6fec122a
MR
1722 TMPO=$(basename $TMPC .c).o
1723 append TMPFILES $TMPO
1724 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1725 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1726 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1727 speed_cflags='-O3 -mf=5'
1728 size_cflags='-O3 -mf=2'
6fec122a
MR
1729 filter_cflags=tms470_flags
1730 tms470_flags(){
1731 for flag; do
1732 case $flag in
1733 -march=*|-mcpu=*)
1734 case "${flag#*=}" in
1735 armv7-a|cortex-a*) echo -mv=7a8 ;;
1736 armv7-r|cortex-r*) echo -mv=7r4 ;;
1737 armv7-m|cortex-m*) echo -mv=7m3 ;;
1738 armv6*|arm11*) echo -mv=6 ;;
1739 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1740 echo -mv=5e ;;
1741 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1742 esac
1743 ;;
1744 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1745 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1746 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1747 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1748 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1749 -g) echo -g -mn ;;
587d24ff 1750 -pds=*) echo $flag ;;
6fec122a
MR
1751 esac
1752 done
1753 }
06da6943
DC
1754elif $cc -v 2>&1 | grep -q clang; then
1755 cc_type=clang
1756 cc_version=__VERSION__
1757 CC_DEPFLAGS='-MMD'
1758 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1759 speed_cflags='-O3'
1760 size_cflags='-Os'
2a472e9c
MK
1761elif $cc -V 2>&1 | grep -q Sun; then
1762 cc_type=suncc
1763 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1764 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1765 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1766 speed_cflags='-O5'
1767 size_cflags='-O5 -xspace'
03279bbe
MK
1768 filter_cflags=suncc_flags
1769 suncc_flags(){
1770 for flag; do
1771 case $flag in
1772 -march=*|-mcpu=*)
1773 case "${flag#*=}" in
1774 native) echo -xtarget=native ;;
87ddc38b 1775 v9|niagara) echo -xarch=sparc ;;
03279bbe 1776 ultrasparc) echo -xarch=sparcvis ;;
87ddc38b 1777 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
03279bbe
MK
1778 i586|pentium) echo -xchip=pentium ;;
1779 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1780 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1781 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1782 pentium4*) echo -xtarget=pentium4 ;;
1783 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1784 *-sse3) echo -xarch=sse3 ;;
1785 core2) echo -xarch=ssse3 -xchip=core2 ;;
1786 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1787 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1788 k8|opteron|athlon64|athlon-fx)
1789 echo -xarch=sse2a ;;
1790 athlon*) echo -xarch=pentium_proa ;;
1791 esac
1792 ;;
1793 -std=c99) echo -xc99 ;;
1794 -fomit-frame-pointer) echo -xregs=frameptr ;;
1795 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1796 -W*,*) echo $flag ;;
1797 -f*-*|-W*) ;;
1798 *) echo $flag ;;
1799 esac
1800 done
1801 }
629687f6
MR
1802fi
1803
851ffa80
MR
1804test -n "$cc_type" && enable $cc_type ||
1805 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
629687f6 1806
75bafbac 1807: ${as_default:=$cc}
50567afa 1808: ${dep_cc_default:=$cc}
684b28e0 1809: ${ld_default:=$cc}
121d78d0 1810set_default ar as dep_cc ld
75800dce 1811
07dec06e
MR
1812test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1813test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1814
7f32f40c 1815add_cflags $extra_cflags
2f2e6c7c 1816add_asflags $extra_cflags
7f32f40c 1817
154d432c
MR
1818if test -n "$sysroot"; then
1819 case "$cc_type" in
1820 gcc)
467256f2 1821 add_cppflags --sysroot="$sysroot"
154d432c
MR
1822 add_ldflags --sysroot="$sysroot"
1823 ;;
6fec122a
MR
1824 tms470)
1825 add_cppflags -I"$sysinclude"
1826 add_ldflags --sysroot="$sysroot"
1827 ;;
06da6943 1828 clang)
4def700e
DC
1829 add_cppflags -isysroot "$sysroot"
1830 add_ldflags -isysroot "$sysroot"
06da6943 1831 ;;
154d432c
MR
1832 esac
1833fi
1834
d22c13a8
MR
1835if test "$cpu" = host; then
1836 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1837
1838 case "$cc_type" in
1839 gcc)
1840 check_native(){
1841 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1842 sed -n "/$1=/{
1843 s/.*$1=\\([^ ]*\\).*/\\1/
1844 p
1845 q
1846 }" $TMPE
d22c13a8
MR
1847 }
1848 cpu=$(check_native -march || check_native -mcpu)
1849 ;;
1850 esac
1851
1852 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1853fi
1854
e939cedd
MR
1855# Deal with common $arch aliases
1856case "$arch" in
1857 arm*)
1858 arch="arm"
1859 ;;
1860 mips|mipsel|IP*)
1861 arch="mips"
1862 ;;
47b1860e 1863 mips64*)
e939cedd
MR
1864 arch="mips"
1865 subarch="mips64"
1866 ;;
1867 parisc|hppa)
1868 arch="parisc"
1869 ;;
1870 parisc64|hppa64)
1871 arch="parisc"
1872 subarch="parisc64"
1873 ;;
1874 "Power Macintosh"|ppc|powerpc)
1875 arch="ppc"
1876 ;;
47b1860e 1877 ppc64|powerpc64)
e939cedd
MR
1878 arch="ppc"
1879 subarch="ppc64"
1880 ;;
1881 s390|s390x)
1882 arch="s390"
1883 ;;
1884 sh4|sh)
1885 arch="sh4"
1886 ;;
1887 sun4u|sparc64)
1888 arch="sparc"
1889 subarch="sparc64"
1890 ;;
1891 i[3-6]86|i86pc|BePC|x86_64|amd64)
1892 arch="x86"
1893 ;;
1894esac
1895
851ffa80 1896is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
343aef9b 1897enable $arch
e939cedd 1898
df5cdc24 1899# Add processor-specific flags
5d54c126
MR
1900if test "$cpu" = generic; then
1901 : do nothing
1902elif enabled ppc; then
343aef9b 1903
56348891
MR
1904 case $(tolower $cpu) in
1905 601|ppc601|powerpc601)
9dbd5c3d 1906 cpuflags="-mcpu=601"
64ad53ff 1907 disable altivec
9dbd5c3d 1908 ;;
56348891 1909 603*|ppc603*|powerpc603*)
9dbd5c3d 1910 cpuflags="-mcpu=603"
64ad53ff 1911 disable altivec
9dbd5c3d 1912 ;;
56348891 1913 604*|ppc604*|powerpc604*)
9dbd5c3d 1914 cpuflags="-mcpu=604"
64ad53ff 1915 disable altivec
9dbd5c3d 1916 ;;
56348891 1917 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1918 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1919 disable altivec
9dbd5c3d 1920 ;;
56348891 1921 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1922 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1923 ;;
56348891 1924 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1925 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1926 ;;
56348891 1927 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1928 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1929 ;;
56348891 1930 cell)
9dbd5c3d
MR
1931 cpuflags="-mcpu=cell"
1932 enable ldbrx
1933 ;;
7b0b81a1
AL
1934 e500v2)
1935 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1936 disable altivec
1937 ;;
1938 e500)
1939 cpuflags="-mcpu=8540 -mhard-float"
1940 disable altivec
1941 ;;
9dbd5c3d 1942 esac
343aef9b
MR
1943
1944elif enabled x86; then
1945
9dbd5c3d
MR
1946 case $cpu in
1947 i[345]86|pentium)
1948 cpuflags="-march=$cpu"
1949 disable mmx
1950 ;;
1951 # targets that do NOT support conditional mov (cmov)
1952 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1953 cpuflags="-march=$cpu"
1954 disable cmov
1955 ;;
1956 # targets that do support conditional mov (cmov)
a65e687b 1957 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
9dbd5c3d
MR
1958 cpuflags="-march=$cpu"
1959 enable cmov
1960 enable fast_cmov
1961 ;;
1962 # targets that do support conditional mov but on which it's slow
1963 pentium4|pentium4m|prescott|nocona)
1964 cpuflags="-march=$cpu"
1965 enable cmov
1966 disable fast_cmov
1967 ;;
1968 esac
343aef9b
MR
1969
1970elif enabled sparc; then
1971
9dbd5c3d 1972 case $cpu in
26b7199e
MK
1973 niagara)
1974 cpuflags="-mcpu=$cpu"
1975 disable vis
1976 ;;
9dbd5c3d
MR
1977 sparc64)
1978 cpuflags="-mcpu=v9"
1979 ;;
1980 esac
343aef9b
MR
1981
1982elif enabled arm; then
1983
34ba23c9
MR
1984 case $cpu in
1985 armv*)
1986 cpuflags="-march=$cpu"
1987 ;;
1988 *)
1989 cpuflags="-mcpu=$cpu"
1990 ;;
1991 esac
343aef9b
MR
1992
1993elif enabled alpha; then
1994
34ba23c9 1995 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
1996
1997elif enabled bfin; then
1998
34ba23c9 1999 cpuflags="-mcpu=$cpu"
343aef9b
MR
2000
2001elif enabled mips; then
2002
34ba23c9 2003 cpuflags="-march=$cpu"
343aef9b
MR
2004
2005elif enabled avr32; then
2006
9dbd5c3d
MR
2007 case $cpu in
2008 ap7[02]0[0-2])
2009 subarch="avr32_ap"
2010 cpuflags="-mpart=$cpu"
2011 ;;
2012 ap)
2013 subarch="avr32_ap"
2014 cpuflags="-march=$cpu"
2015 ;;
2016 uc3[ab]*)
2017 subarch="avr32_uc"
2018 cpuflags="-mcpu=$cpu"
2019 ;;
2020 uc)
2021 subarch="avr32_uc"
2022 cpuflags="-march=$cpu"
2023 ;;
2024 esac
df5cdc24 2025
343aef9b
MR
2026fi
2027
df5cdc24
MR
2028add_cflags $cpuflags
2029add_asflags $cpuflags
2030
993f2d0f
MR
2031# compiler sanity check
2032check_exec <<EOF
2033int main(void){ return 0; }
2034EOF
2035if test "$?" != 0; then
2036 echo "$cc is unable to create an executable file."
2037 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2038 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2039 echo "Only do this if you know what cross compiling means."
2040 fi
2041 die "C compiler test failed."
2042fi
2043
38a9c529 2044add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2045check_cflags -std=c99
50a334e4 2046check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2047#include <stdlib.h>
2048EOF
50a334e4 2049check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2050#include <stdlib.h>
2051EOF
e9b9a2f8 2052
f0125de9
MR
2053check_host_cflags -std=c99
2054
b24dbcbd 2055case "$arch" in
e939cedd 2056 alpha|ia64|mips|parisc|sparc)
8a3c8627 2057 spic=$shared
b24dbcbd 2058 ;;
e939cedd 2059 x86)
cfdb6148 2060 subarch="x86_32"
e939cedd 2061 check_cc <<EOF && subarch="x86_64"
58b3536d 2062 int test[(int)sizeof(char*) - 7];
cfdb6148 2063EOF
de27f4d9 2064 if test "$subarch" = "x86_64"; then
e939cedd 2065 spic=$shared
de27f4d9 2066 fi
b24dbcbd 2067 ;;
b24dbcbd
RP
2068esac
2069
343aef9b 2070enable $subarch
8a3c8627 2071enabled spic && enable pic
b24dbcbd 2072
7483e694 2073# OS specific
4f854758 2074case $target_os in
a1629e28 2075 haiku)
63ae7e7c 2076 prefix_default="/boot/common"
108caaaa 2077 network_extralibs="-lnetwork"
a1629e28 2078 ;;
7483e694
DB
2079 sunos)
2080 FFSERVERLDFLAGS=""
9987769a 2081 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2082 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2083 network_extralibs="-lsocket -lnsl"
50a334e4 2084 add_cppflags -D__EXTENSIONS__
8182dc34 2085 nm_opts='-P -g'
7483e694
DB
2086 ;;
2087 netbsd)
07a8eef6
MR
2088 oss_indev_extralibs="-lossaudio"
2089 oss_outdev_extralibs="-lossaudio"
2138dc99 2090 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2091 ;;
2092 openbsd)
89e053f8 2093 enable malloc_aligned
7c4a001a
MR
2094 # On OpenBSD 4.5. the compiler does not use PIC unless
2095 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2096 # however the generated executable will not do anything
2097 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2098 # Thus explicitly enable PIC here.
cd78208b 2099 enable pic
7483e694 2100 SHFLAGS='-shared'
07a8eef6
MR
2101 oss_indev_extralibs="-lossaudio"
2102 oss_outdev_extralibs="-lossaudio"
7483e694 2103 ;;
90b4f091 2104 freebsd|dragonfly)
89e053f8 2105 enable malloc_aligned
7483e694
DB
2106 ;;
2107 bsd/os)
2108 osextralibs="-lpoll -lgnugetopt"
2109 strip="strip -d"
2110 ;;
2111 darwin)
89e053f8 2112 enable malloc_aligned
0138c54e 2113 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
be90cd27 2114 strip="${strip} -x"
7483e694
DB
2115 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2116 SLIBSUF=".dylib"
2117 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2118 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2119 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2120 objformat="macho"
1b0f6fb8 2121 enabled x86_64 && objformat="macho64"
8dfa86f7 2122 enabled_any pic shared ||
2704bd1a 2123 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2124 ;;
2125 mingw32*)
9d3f4f50 2126 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2127 disable network
2128 else
2129 target_os=mingw32
2130 fi
dcc01c06 2131 LIBTARGET=i386
1fc9fb8a 2132 if enabled x86_64; then
89e053f8 2133 enable malloc_aligned
dcc01c06 2134 LIBTARGET=x64
336cc1b0
MS
2135 elif enabled arm; then
2136 LIBTARGET=arm
dcc01c06 2137 fi
fbd971a4 2138 shlibdir_default="$bindir_default"
7483e694
DB
2139 disable ffserver
2140 SLIBPREF=""
2141 SLIBSUF=".dll"
7483e694
DB
2142 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2143 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2144 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2145 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2146 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2147 install -d "$(LIBDIR)"; \
2148 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2149 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2150 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2151 objformat="win32"
bc574408 2152 enable dos_paths
1894e741 2153 check_cflags -fno-common
b1549d61 2154 if ! enabled x86_64; then
f7ad5aa2
RP
2155 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2156 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2157 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2158 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2159 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2160 fi
7483e694
DB
2161 ;;
2162 cygwin*)
4f854758 2163 target_os=cygwin
fbd971a4 2164 shlibdir_default="$bindir_default"
7483e694
DB
2165 SLIBPREF="cyg"
2166 SLIBSUF=".dll"
2167 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2168 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2169 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2170 objformat="win32"
bc574408 2171 enable dos_paths
1894e741 2172 check_cflags -fno-common
7483e694 2173 ;;
4f365f37 2174 *-dos|freedos|opendos)
fdf11906 2175 disable ffplay ffserver
4f365f37
MK
2176 disable $INDEV_LIST $OUTDEV_LIST
2177 network_extralibs="-lsocket"
ff1c015d 2178 objformat="coff"
bc574408 2179 enable dos_paths
4f365f37 2180 ;;
7483e694 2181 linux)
7483e694
DB
2182 enable dv1394
2183 ;;
2184 irix*)
4f854758 2185 target_os=irix
7483e694
DB
2186 ranlib="echo ignoring ranlib"
2187 ;;
d22e8442 2188 os/2*)
d22e8442
DY
2189 strip="lxlite"
2190 ln_s="cp -f"
d22e8442 2191 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2192 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2193 FFSERVERLDFLAGS=""
287d3b13 2194 LIBSUF="_s.a"
d22e8442
DY
2195 SLIBPREF=""
2196 SLIBSUF=".dll"
2197 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2198 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2199 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2200 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2201 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2202 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2203 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2204 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2205 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2206 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2207 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2208 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2209 enable dos_paths
d22e8442 2210 ;;
83993c1c
AM
2211 gnu/kfreebsd)
2212 ;;
34e82167 2213 gnu)
34e82167 2214 ;;
614d8911
MR
2215 none)
2216 ;;
7483e694 2217 *)
4f924f9a 2218 die "Unknown OS '$target_os'."
7483e694
DB
2219 ;;
2220esac
2221
13cb2187
AS
2222check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2223
c9d19248
MR
2224set_default $PATHS_LIST
2225
c597172e 2226add_extralibs $osextralibs
de6d9b64 2227
28d8e661
DB
2228# Combine FFLDFLAGS and the LDFLAGS environment variable.
2229LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2230
320d060a 2231# we need to build at least one lib type
93b3c083 2232if ! enabled_any static shared; then
320d060a
DB
2233 cat <<EOF
2234At least one library type must be built.
2235Specify --enable-static to build the static libraries or --enable-shared to
2236build the shared libraries as well. To only build the shared libraries specify
2237--disable-static in addition to --enable-shared.
2238EOF
2239 exit 1;
2240fi
2241
abc4e572 2242disabled static && LIBNAME=""
2a320695 2243
2184c6f7 2244die_license_disabled() {
4c27207c 2245 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2246}
2247
2184c6f7
DB
2248die_license_disabled gpl libx264
2249die_license_disabled gpl libxvid
2250die_license_disabled gpl postproc
2251die_license_disabled gpl x11grab
2252
2f7ae63b 2253die_license_disabled nonfree libfaac
b2e3c528 2254
0b175caa
DB
2255die_license_disabled version3 libopencore_amrnb
2256die_license_disabled version3 libopencore_amrwb
2257
9cad0e4e 2258enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2259
9eeed841 2260check_deps $ARCH_EXT_LIST
0f3cb305 2261
40617a6d 2262disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2263
e276d9e8
MR
2264enable_pic() {
2265 enable pic
bce7b696
MR
2266 add_cppflags -DPIC
2267 add_cflags -fPIC
2268 add_asflags -fPIC
e276d9e8
MR
2269}
2270
2271enabled pic && enable_pic
bce7b696 2272
b4d96ba2
MR
2273check_cc <<EOF || die "Symbol mangling check failed."
2274int ff_extern;
2275EOF
8182dc34 2276sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2277extern_prefix=${sym%%ff_extern*}
2278
f65883c8
MR
2279check_cc <<EOF && enable inline_asm
2280void foo(void) { __asm__ volatile ("" ::); }
2281EOF
61d251db 2282
df5e3978
MR
2283_restrict=
2284for restrict_keyword in restrict __restrict__ __restrict; do
2285 check_cc <<EOF && _restrict=$restrict_keyword && break
2286void foo(char * $restrict_keyword p);
2287EOF
2288done
2289
2290check_cc <<EOF && enable attribute_packed
2291struct { int x; } __attribute__((packed)) x;
2292EOF
2293
dffb41b9
MR
2294check_cc <<EOF && enable attribute_may_alias
2295union { int x; } __attribute__((may_alias)) x;
2296EOF
2297
df5e3978
MR
2298check_cc <<EOF || die "endian test failed"
2299unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2300EOF
48fc536a 2301od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2302
e939cedd
MR
2303if enabled alpha; then
2304
2305 check_cflags -mieee
2306
2307elif enabled arm; then
e45391bb 2308
50fa82e6
MR
2309 check_cflags -marm
2310
fa0912fe
MR
2311 check_ld <<EOF && enable vfp_args
2312__asm__ (".eabi_attribute 28, 1");
2313int main(void) { return 0; }
2314EOF
2315
2316 # We have to check if pld is a nop and disable it.
2317 check_asm pld '"pld [r0]"'
2318
2319 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2320 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2321 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2322 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2323 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2324 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2325
e276d9e8
MR
2326 enabled_all armv6t2 shared !pic && enable_pic
2327
fa0912fe 2328elif enabled mips; then
e45391bb 2329
fa0912fe
MR
2330 check_asm loongson '"dmult.g $1, $2, $3"'
2331 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2332
fa0912fe 2333elif enabled ppc; then
e45391bb 2334
e6a0c354
MR
2335 enable local_aligned_8 local_aligned_16
2336
fa0912fe
MR
2337 check_asm dcbzl '"dcbzl 0, 1"'
2338 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2339 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2340
2341 # AltiVec flags: The FSF version of GCC differs from the Apple version
2342 if enabled altivec; then
2343 check_cflags -maltivec -mabi=altivec &&
2344 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2345 check_cflags -faltivec
2346
2347 # check if our compiler supports Motorola AltiVec C API
2348 check_cc <<EOF || disable altivec
2349$inc_altivec_h
2350int main(void) {
2351 vector signed int v1, v2, v3;
2352 v1 = vec_add(v2,v3);
2353 return 0;
2354}
2355EOF
2356
2357 # check if our compiler supports braces for vector declarations
2358 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2359$inc_altivec_h
2360int main (void) { (vector int) {1}; return 0; }
2361EOF
2362 fi
e45391bb 2363
fa0912fe 2364elif enabled sparc; then
e45391bb 2365
fa0912fe
MR
2366 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2367 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2368
fa0912fe 2369elif enabled x86; then
e45391bb 2370
e6a0c354
MR
2371 enable local_aligned_8 local_aligned_16
2372
44965991
PI
2373 # check whether EBP is available on x86
2374 # As 'i' is stored on the stack, this program will crash
2375 # if the base pointer is used to access it because the
2376 # base pointer is cleared in the inline assembly code.
7dfef245 2377 check_exec_crash <<EOF && enable ebp_available
44965991 2378 volatile int i=0;
be449fca 2379 __asm__ volatile (
44965991
PI
2380 "xorl %%ebp, %%ebp"
2381 ::: "%ebp");
2382 return i;
44965991
PI
2383EOF
2384
f494213c 2385 # check whether EBX is available on x86
7cee5421
MR
2386 check_asm ebx_available '""::"b"(0)' &&
2387 check_asm ebx_available '"":::"%ebx"'
8e380710 2388
d3a4b4e0
DB
2389 # check whether more than 10 operands are supported
2390 check_cc <<EOF && enable ten_operands
2391int main(void) {
2392 int x=0;
2393 __asm__ volatile(
2394 ""
2395 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2396 );
2397 return 0;
2398}
2399EOF
2400
d7f0920b 2401 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2402 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2403 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2404
2405 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2406
d52481b9 2407 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2408 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2409 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2410 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2411 case "$objformat" in
2412 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2413 esac
31a0dcb2
MR
2414 if ! disabled yasm; then
2415 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2416 warn "yasm not found, performance will suffer"
2417 fi
e45391bb 2418
669b5583
MR
2419 case "$cpu" in
2420 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2421 disable fast_clz
2422 ;;
2423 esac
2424
44965991
PI
2425fi
2426
a98bb16d
RP
2427if check_func dlopen; then
2428 ldl=
2429elif check_func dlopen -ldl; then
2430 ldl=-ldl
8bf5d58f
MN
2431fi
2432
75ecf149
DB
2433# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2434check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2435
534a2231 2436check_func fcntl
7483e694 2437check_func fork
84882df6 2438check_func getaddrinfo $network_extralibs
7483e694
DB
2439check_func gethrtime
2440check_func getrusage
fc5607f8 2441check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2442check_func inet_aton $network_extralibs
abfc8d05 2443check_func isatty
4ae40685 2444check_func ${malloc_prefix}memalign && enable memalign
7483e694 2445check_func mkstemp
4ae40685 2446check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2447check_func setrlimit
87958234 2448check_func strerror_r
b507ebd1 2449check_func_headers io.h setmode
e4673692 2450check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2451check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2452check_func_headers windows.h GetProcessTimes
7c5bfe7a 2453check_func_headers windows.h VirtualAlloc
6ffa87d3 2454
e16e49ac 2455check_header conio.h
a98bb16d 2456check_header dlfcn.h
92c6a099 2457check_header dxva2api.h
a98bb16d 2458check_header malloc.h
bf6ce82d 2459check_header poll.h
b58412f1 2460check_header sys/mman.h
b091aa44 2461check_header sys/resource.h
bf6ce82d 2462check_header sys/select.h
a98bb16d 2463check_header termios.h
272081b0
CEH
2464check_header vdpau/vdpau.h
2465check_header vdpau/vdpau_x11.h
68178ca9 2466check_header X11/extensions/XvMClib.h
a98bb16d 2467
9104cd51
RP
2468check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2469
89e053f8
MR
2470if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2471 enabled_any $need_memalign ; then
1f91cdce 2472 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2473fi
e16e49ac 2474
a4fa192c 2475disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2476disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2477
2478# check for some common methods of building with pthread support
2479# do this before the optional library checks as some of them require pthreads
0dbfc1db
MR
2480if ! disabled pthreads && ! enabled w32threads; then
2481 enable pthreads
9e7fd101
MR
2482 if check_func pthread_create; then
2483 :
2484 elif check_func pthread_create -pthread; then
2485 add_cflags -pthread
afc9aee2 2486 add_extralibs -pthread
9e7fd101
MR
2487 elif check_func pthread_create -pthreads; then
2488 add_cflags -pthreads
afc9aee2 2489 add_extralibs -pthreads
8d94f606
GT
2490 elif check_func pthread_create -lpthreadGC2; then
2491 add_extralibs -lpthreadGC2
9e7fd101 2492 elif ! check_lib pthread.h pthread_create -lpthread; then
0dbfc1db 2493 disable pthreads
9e7fd101 2494 fi
57bd82d4
MR
2495fi
2496
8eee7025 2497for thread in $THREADS_LIST; do
e5f94c2b 2498 if enabled $thread; then
3ae3b721
RP
2499 test -n "$thread_type" &&
2500 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2501 thread_type="$thread"
e5f94c2b
RP
2502 fi
2503done
2504
fdf88598 2505check_lib math.h sin -lm
edd43c95 2506disabled vaapi || check_lib va/va.h vaInitialize -lva
fdf88598 2507
645d2652
MR
2508check_mathfunc exp2
2509check_mathfunc exp2f
2510check_mathfunc llrint
07876e25 2511check_mathfunc llrintf
645d2652
MR
2512check_mathfunc log2
2513check_mathfunc log2f
2514check_mathfunc lrint
2515check_mathfunc lrintf
2516check_mathfunc round
2517check_mathfunc roundf
2518check_mathfunc truncf
f32adb22 2519
57bd82d4 2520# these are off by default, so fail if requested and not available
a1b3c5a3 2521enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2522enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2523 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2524 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097 2525enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5af41508 2526enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
eb7626a3 2527enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
7483e694 2528enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
eb7626a3
MR
2529enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2530enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3d6fac8c 2531enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3a9bc39e 2532enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init $(pkg-config --libs librtmp)
36718e51
DB
2533enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2534 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2535enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2536enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2537enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
ee0e9146
JZ
2538enabled libvpx && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
2539 require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
eb7626a3 2540enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
652d9d24
JGG
2541 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2542 die "ERROR: libx264 version must be >= 0.98."; }
2bfecf73 2543enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2544enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2545
0b4a1821
AS
2546# libdc1394 check
2547if enabled libdc1394; then
2548 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2549 enable libdc1394_2; } ||
2550 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2551 enable libdc1394_1; } ||
2552 die "ERROR: No version of libdc1394 found "
2553fi
2554
6a1a892f 2555SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2556if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2557 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2558 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2559 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2560 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2561 enable sdl &&
2562 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2563fi
57bd82d4 2564
2270b4b2 2565texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2566
73b46a95 2567if enabled network; then
96000432 2568 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2569 check_type netdb.h "struct addrinfo"
b4d68544
MS
2570 check_type netinet/in.h "struct ipv6_mreq"
2571 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2572 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2573 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2574 # Prefer arpa/inet.h over winsock2
2575 if check_header arpa/inet.h ; then
2576 check_func closesocket
2577 elif check_header winsock2.h ; then
f4c13872
MS
2578 check_func_headers winsock2.h closesocket -lws2 && \
2579 network_extralibs="-lws2" || \
2580 { check_func_headers winsock2.h closesocket -lws2_32 && \
2581 network_extralibs="-lws2_32"; }
72be9e73 2582 check_type ws2tcpip.h socklen_t
c0018613 2583 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2584 check_type ws2tcpip.h "struct ipv6_mreq"
2585 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2586 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2587 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2588 else
2589 disable network
73b46a95
RP
2590 fi
2591fi
2592
06e31011
RP
2593check_header linux/videodev.h
2594check_header linux/videodev2.h
1b6e8b73 2595check_header sys/videoio.h
47f38850 2596
27796dc3 2597check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2598
f8aa696f 2599# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2600{ check_header dev/bktr/ioctl_meteor.h &&
2601 check_header dev/bktr/ioctl_bt848.h; } ||
2602{ check_header machine/ioctl_meteor.h &&
2603 check_header machine/ioctl_bt848.h; } ||
2604{ check_header dev/video/meteor/ioctl_meteor.h &&
2605 check_header dev/video/bktr/ioctl_bt848.h; } ||
2606check_header dev/ic/bt8xx.h
f8aa696f 2607
c7682de0
RP
2608check_header sys/soundcard.h
2609check_header soundcard.h
deb29777 2610
b6f3d925 2611enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2612
0e57fe17 2613enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2614
56a059ac 2615enabled x11grab &&
f58f4ce1
GP
2616check_header X11/Xlib.h &&
2617check_header X11/extensions/XShm.h &&
0a045661 2618check_header X11/extensions/Xfixes.h &&
f58f4ce1 2619check_func XOpenDisplay -lX11 &&
781c1aa6
R
2620check_func XShmCreateImage -lX11 -lXext &&
2621check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2622
598ef02b 2623if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2624check_cpp_condition \
2625 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2626 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2627 disable vdpau; }
abf649c7 2628fi
deda2a4a 2629
95e561ec 2630enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2631
2632# add some useful compiler flags if supported
2633check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2634check_cflags -Wall
2635check_cflags -Wno-switch
c07bd6a9
MN
2636check_cflags -Wdisabled-optimization
2637check_cflags -Wpointer-arith
2638check_cflags -Wredundant-decls
cc1fb623 2639check_cflags -Wno-pointer-sign
f4929996 2640check_cflags -Wcast-qual
9aceb3cf 2641check_cflags -Wwrite-strings
652a5bf6 2642check_cflags -Wtype-limits
764551c6 2643check_cflags -Wundef
fc298fd9 2644check_cflags -Wmissing-prototypes
5af4e0cc 2645enabled extra_warnings && check_cflags -Winline
cf9d24ad 2646
57bd82d4 2647# add some linker flags
5c0e9479 2648check_ldflags -Wl,--warn-common
8351d2ba
DB
2649check_ldflags -Wl,--as-needed
2650check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
c2fd6530 2651check_ldflags -Wl,-Bsymbolic
94a3401e 2652
a482e61b 2653echo "X{};" > $TMPV
b462d132 2654if test_ldflags -Wl,--version-script,$TMPV; then
a482e61b 2655 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
b462d132
MR
2656 check_cc <<EOF && enable symver_asm_label
2657void ff_foo(void) __asm__ ("av_foo@VERSION");
0884fadf 2658void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
b462d132
MR
2659EOF
2660 check_cc <<EOF && enable symver_gnu_asm
2661__asm__(".symver ff_foo,av_foo@VERSION");
2662void ff_foo(void) {}
2663EOF
2664fi
a482e61b 2665
bd2216e4 2666if enabled small; then
14ca9cd0 2667 add_cflags $size_cflags
8400d6b8
DB
2668 optimizations="small"
2669elif enabled optimizations; then
14ca9cd0 2670 add_cflags $speed_cflags
b05394a0
MR
2671else
2672 add_cflags $noopt_cflags
cddf3f45 2673fi
11fdbc44 2674check_cflags -fno-math-errno
b2eb2ff0 2675check_cflags -fno-signed-zeros
cddf3f45 2676
629687f6 2677if enabled icc; then
b1598b58
MR
2678 # Just warnings, no remarks
2679 check_cflags -w1
2680 # -wd: Disable following warnings
2681 # 144, 167, 556: -Wno-pointer-sign
2682 # 10006: ignoring unknown option -fno-signed-zeros
2683 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2684 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2685 # 11030: Warning unknown option --as-needed
2686 # 10156: ignoring option '-export'; no argument required
2687 check_ldflags -wd10156,11030
2688 # Allow to compile with optimizations
2689 check_ldflags -march=$cpu
be2cf98a
CEH
2690 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2691 enable ebp_available
df442a8d
MR
2692elif enabled ccc; then
2693 # disable some annoying warnings
2694 add_cflags -msg_disable cvtu32to64
2695 add_cflags -msg_disable embedcomment
2696 add_cflags -msg_disable needconstext
2697 add_cflags -msg_disable nomainieee
2698 add_cflags -msg_disable ptrmismatch1
2699 add_cflags -msg_disable unreachcode
973859f5
MR
2700elif enabled gcc; then
2701 check_cflags -fno-tree-vectorize
765e6134 2702 check_cflags -Werror=implicit-function-declaration
de63bfec 2703 check_cflags -Werror=missing-prototypes
06da6943
DC
2704elif enabled clang; then
2705 check_cflags -Qunused-arguments
138132be
MR
2706elif enabled armcc; then
2707 # 2523: use of inline assembler is deprecated
2708 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2709 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2710elif enabled tms470; then
2711 add_cflags -pds=824 -pds=837
504a64b9
CEH
2712fi
2713
7483e694
DB
2714enabled_any $THREADS_LIST && enable threads
2715
2716check_deps $CONFIG_LIST \
b6bb00b0 2717 $CONFIG_EXTRA \
7483e694
DB
2718 $HAVE_LIST \
2719 $DECODER_LIST \
2720 $ENCODER_LIST \
5666fd73 2721 $HWACCEL_LIST \
7483e694
DB
2722 $PARSER_LIST \
2723 $BSF_LIST \
2724 $DEMUXER_LIST \
2725 $MUXER_LIST \
f7679c54 2726 $FILTER_LIST \
7483e694
DB
2727 $INDEV_LIST \
2728 $OUTDEV_LIST \
2729 $PROTOCOL_LIST \
f70f03f6 2730
3bfd582c 2731enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
c8a4ae00 2732
3e89171a 2733echo "install prefix $prefix"
f36958f8
DB
2734echo "source path $source_path"
2735echo "C compiler $cc"
f36958f8 2736echo "ARCH $arch ($cpu)"
ce8871c2
MR
2737if test "$build_suffix" != ""; then
2738 echo "build suffix $build_suffix"
eb94aca9 2739fi
ac63af34
DB
2740if test "$extra_version" != ""; then
2741 echo "version string suffix $extra_version"
2742fi
0db2ce77 2743echo "big-endian ${bigendian-no}"
e90f5b5a 2744echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2745if enabled x86; then
af44e8e4 2746 echo "yasm ${yasm-no}"
0db2ce77 2747 echo "MMX enabled ${mmx-no}"
30e98e62 2748 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2749 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2750 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2751 echo "SSE enabled ${sse-no}"
30e98e62 2752 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2753 echo "CMOV enabled ${cmov-no}"
2754 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2755 echo "EBX available ${ebx_available-no}"
2756 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2757 echo "10 operands supported ${ten_operands-no}"
e41e8342 2758fi
5b6c2cbd 2759if enabled arm; then
0db2ce77
MR
2760 echo "ARMv5TE enabled ${armv5te-no}"
2761 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2762 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2763 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2764 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2765 echo "NEON enabled ${neon-no}"
eba9ae3c 2766fi
5b6c2cbd 2767if enabled mips; then
0db2ce77 2768 echo "MMI enabled ${mmi-no}"
e41e8342 2769fi
5b6c2cbd 2770if enabled ppc; then
0db2ce77 2771 echo "AltiVec enabled ${altivec-no}"
30e98e62 2772 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2773 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2774fi
2775if enabled sparc; then
2776 echo "VIS enabled ${vis-no}"
e41e8342 2777fi
0db2ce77 2778echo "debug symbols ${debug-no}"
87a0fb62 2779echo "strip symbols ${stripping-no}"
8400d6b8 2780echo "optimizations ${optimizations-no}"
0db2ce77
MR
2781echo "static ${static-no}"
2782echo "shared ${shared-no}"
4a24ab64 2783echo "postprocessing support ${postproc-no}"
f7679c54 2784echo "new filter support ${avfilter-no}"
81124ba0 2785echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2786echo "network support ${network-no}"
0db2ce77
MR
2787echo "threading support ${thread_type-no}"
2788echo "SDL support ${sdl-no}"
0db2ce77
MR
2789echo "Sun medialib support ${mlib-no}"
2790echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2791echo "libdc1394 support ${libdc1394-no}"
690bfceb 2792echo "libdirac enabled ${libdirac-no}"
0db2ce77 2793echo "libfaac enabled ${libfaac-no}"
0db2ce77
MR
2794echo "libgsm enabled ${libgsm-no}"
2795echo "libmp3lame enabled ${libmp3lame-no}"
2796echo "libnut enabled ${libnut-no}"
0b175caa
DB
2797echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2798echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2799echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2800echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2801echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2802echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2803echo "libtheora enabled ${libtheora-no}"
2804echo "libvorbis enabled ${libvorbis-no}"
8299a7f8 2805echo "libvpx enabled ${libvpx-no}"
d6bd62db
DB
2806echo "libx264 enabled ${libx264-no}"
2807echo "libxvid enabled ${libxvid-no}"
0db2ce77 2808echo "zlib enabled ${zlib-no}"
f402916e 2809echo "bzlib enabled ${bzlib-no}"
2c62e737 2810echo
de6d9b64 2811
5666fd73 2812for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2813 echo "Enabled ${type}s:"
f65c9da1 2814 eval list=\$$(toupper $type)_LIST
8138b9db 2815 for part in $list; do
f65c9da1
MR
2816 enabled $part && echo ${part%_*}
2817 done | sort | pr -3 -t
2818 echo
8138b9db
RP
2819done
2820
ba7a7039 2821license="LGPL version 2.1 or later"
ba321adb 2822if enabled nonfree; then
ba7a7039 2823 license="nonfree and unredistributable"
9cad0e4e
DB
2824elif enabled gplv3; then
2825 license="GPL version 3 or later"
2826elif enabled lgplv3; then
2827 license="LGPL version 3 or later"
ba321adb 2828elif enabled gpl; then
ba7a7039 2829 license="GPL version 2 or later"
ba321adb
JK
2830fi
2831
2832echo "License: $license"
ca5323af 2833
cf1392e9
DB
2834echo "Creating config.mak and config.h..."
2835
df642790
MR
2836# build tree in object directory if source path is different from current one
2837if enabled source_path_used; then
2838 DIRS="
2839 doc
2840 libavcodec
2841 libavcodec/$arch
2842 libavdevice
2843 libavfilter
2844 libavformat
2845 libavutil
2846 libavutil/$arch
2847 libpostproc
2848 libswscale
2849 libswscale/$arch
2850 tests
2851 tools
2852 "
2853 FILES="
2854 Makefile
2855 common.mak
2856 subdir.mak
2857 doc/texi2pod.pl
2858 libavcodec/Makefile
43f60eba 2859 libavcodec/${arch}/Makefile
df642790
MR
2860 libavdevice/Makefile
2861 libavfilter/Makefile
2862 libavformat/Makefile
2863 libavutil/Makefile
2864 libpostproc/Makefile
2865 libswscale/Makefile
2866 "
e0e335a0 2867 map 'mkdir -p $v' $DIRS;
43f60eba 2868 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2869fi
2870
ad212cc6
MR
2871enabled stripping || strip="echo skipping strip"
2872
173c983b
MR
2873cat > config.mak <<EOF
2874# Automatically generated by configure - do not modify!
2875ifndef FFMPEG_CONFIG_MAK
2876FFMPEG_CONFIG_MAK=1
2877FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2878prefix=$prefix
2879LIBDIR=\$(DESTDIR)$libdir
2880SHLIBDIR=\$(DESTDIR)$shlibdir
2881INCDIR=\$(DESTDIR)$incdir
2882BINDIR=\$(DESTDIR)$bindir
2883DATADIR=\$(DESTDIR)$datadir
2884MANDIR=\$(DESTDIR)$mandir
2885SRC_PATH="$source_path"
2886SRC_PATH_BARE=$source_path
2887BUILD_ROOT="$PWD"
2888ARCH=$arch
2889CC=$cc
2890AS=$as
2891LD=$ld
2892DEPCC=$dep_cc
2893YASM=$yasmexe
a4aea515 2894YASMDEP=$yasmexe
173c983b
MR
2895AR=$ar
2896RANLIB=$ranlib
4335125c 2897CP=cp -p
173c983b
MR
2898LN_S=$ln_s
2899STRIP=$strip
2900CPPFLAGS=$CPPFLAGS
2901CFLAGS=$CFLAGS
2902ASFLAGS=$ASFLAGS
2903CC_O=$CC_O
2904LDFLAGS=$LDFLAGS
2905FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2906SHFLAGS=$SHFLAGS
2907YASMFLAGS=$YASMFLAGS
2908BUILDSUF=$build_suffix
2909FULLNAME=$FULLNAME
2910LIBPREF=$LIBPREF
2911LIBSUF=$LIBSUF
2912LIBNAME=$LIBNAME
2913SLIBPREF=$SLIBPREF
2914SLIBSUF=$SLIBSUF
2915EXESUF=$EXESUF
2916EXTRA_VERSION=$extra_version
2917DEPFLAGS=$DEPFLAGS
2918CCDEP=$CCDEP
2919ASDEP=$ASDEP
2920CC_DEPFLAGS=$CC_DEPFLAGS
2921AS_DEPFLAGS=$AS_DEPFLAGS
2922HOSTCC=$host_cc
2923HOSTCFLAGS=$host_cflags
2924HOSTEXESUF=$HOSTEXESUF
2925HOSTLDFLAGS=$host_ldflags
2926HOSTLIBS=$host_libs
2927TARGET_EXEC=$target_exec
2928TARGET_PATH=$target_path
2929SDL_LIBS=$sdl_libs
2930SDL_CFLAGS=$sdl_cflags
2931LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2932EXTRALIBS=$extralibs
fd676deb 2933INSTALL=install
1afc4750
MR
2934LIBTARGET=${LIBTARGET}
2935SLIBNAME=${SLIBNAME}
2936SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2937SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2938SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2939SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2940SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2941SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 2942SAMPLES=$samples
173c983b 2943EOF
5a872801 2944
719c8e00
MR
2945get_version(){
2946 name=$1
2947 file=$source_path/$2
147e7692
MR
2948 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2949 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2950 lcname=$(tolower $name)
2951 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2952 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2953}
2954
147e7692
MR
2955get_version LIBSWSCALE libswscale/swscale.h
2956get_version LIBPOSTPROC libpostproc/postprocess.h
2957get_version LIBAVCODEC libavcodec/avcodec.h
2958get_version LIBAVDEVICE libavdevice/avdevice.h
2959get_version LIBAVFORMAT libavformat/avformat.h
2960get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2961get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2962
173c983b
MR
2963cat > $TMPH <<EOF
2964/* Automatically generated by configure - do not modify! */
2965#ifndef FFMPEG_CONFIG_H
2966#define FFMPEG_CONFIG_H
2967#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 2968#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
2969#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2970#define CC_TYPE "$cc_type"
2971#define CC_VERSION $cc_version
2972#define restrict $_restrict
42719e20 2973#define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
173c983b
MR
2974#define EXTERN_PREFIX "${extern_prefix}"
2975#define EXTERN_ASM ${extern_prefix}
2976EOF
523ef551 2977
4ae40685
MR
2978test -n "$malloc_prefix" &&
2979 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
2980
523ef551 2981if enabled small || disabled optimizations; then
9a894c48 2982 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
2983 echo "#define av_always_inline" >> $TMPH
2984fi
2985
3d907e22
MR
2986print_config ARCH_ $TMPH config.mak $ARCH_LIST
2987print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2988print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2989 $CONFIG_EXTRA \
7483e694
DB
2990 $DECODER_LIST \
2991 $ENCODER_LIST \
5666fd73 2992 $HWACCEL_LIST \
7483e694
DB
2993 $PARSER_LIST \
2994 $BSF_LIST \
2995 $DEMUXER_LIST \
2996 $MUXER_LIST \
f7679c54 2997 $FILTER_LIST \
7483e694
DB
2998 $PROTOCOL_LIST \
2999 $INDEV_LIST \
3000 $OUTDEV_LIST \
8ac17293 3001
9c05103f 3002echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3003echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3004
b7860763 3005# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3006cp_if_changed $TMPH config.h
3d204385 3007
a3e02a8c
MR
3008cat > $TMPH <<EOF
3009/* Generated by ffconf */
3010#ifndef AVUTIL_AVCONFIG_H
3011#define AVUTIL_AVCONFIG_H
3012EOF
3013
3014print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3015
3016echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3017
3018cp_if_changed $TMPH libavutil/avconfig.h
3019
7bfc8ae6
MR
3020test -n "$WARNINGS" && printf "\n$WARNINGS"
3021
d0674868 3022# build pkg-config files
def4272a 3023
d0674868
DB
3024pkgconfig_generate(){
3025name=$1
b0dfd108 3026shortname=${name#lib}${build_suffix}
d0674868
DB
3027comment=$2
3028version=$3
3029libs=$4
3030requires=$5
25cd5cb3 3031cat <<EOF > $name/$name.pc
3e89171a 3032prefix=$prefix
a94e666c 3033exec_prefix=\${prefix}
f2b7382c 3034libdir=$libdir
7622778e 3035includedir=$incdir
def4272a 3036
d0674868
DB
3037Name: $name
3038Description: $comment
3039Version: $version
8cd6b388 3040Requires: $(enabled shared || echo $requires)
5dcfe9f8 3041Requires.private: $(enabled shared && echo $requires)
def4272a 3042Conflicts:
8cd6b388 3043Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3044Libs.private: $(enabled shared && echo $libs)
76a448ed 3045Cflags: -I\${includedir}
def4272a 3046EOF
25cd5cb3 3047cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3048prefix=
3049exec_prefix=
46d1ff83 3050libdir=\${pcfiledir}
1d44d365 3051includedir=${source_path}
def4272a 3052
d0674868
DB
3053Name: $name
3054Description: $comment
3055Version: $version
3056Requires: $requires
def4272a 3057Conflicts:
12701f6e 3058Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3059Cflags: -I\${includedir}
3060EOF
d0674868 3061}
def4272a 3062
e426941d 3063pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3064pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3065pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3066pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3067enabled avfilter &&
46983309 3068 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3069enabled postproc &&
e426941d 3070 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3071pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"